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Topic: Non vascular plant


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In the News (Sun 12 Oct 08)

  
 Vascular plant - Wikipedia, the free encyclopedia
In non-vascular plants, the principal generation phase is often the gametophyte, which is haploid with one set of chromosomes per cell.
Non-vascular plants lack these and are restricted to relatively small sizes.
In vascular plants, the principal generation phase is the sporophyte, which is diploid with two sets of chromosomes per cell.
en.wikipedia.org /wiki/Vascular_plant   (205 words)

  
 Non-vascular plant - Wikipedia, the free encyclopedia
These groups may be considered the "lower" plants, but "lower plants is also often used to refer to non-vascular plants and ferns and fern allies.
Non-vascular plants is a name for a group of plants.
Because these plants lack the water-conducting tissues, they fail to achieve the structural complexity and size of vascular plants.
en.wikipedia.org /wiki/Non-vascular_plant   (183 words)

  
 Botany online: Supporting Tissues - Conducting Tissues
The preceding topic mentioned the high water-content of plant cells that lends a high tension to plant tissues and is caused by the turgor.
Often either phloem or xylem of the vascular bundles is associated with collenchyma cells.
The wind makes the upper plant organs and the trunk act like a lever, a large part of the force is hence exerted onto the roots, that anchor the plant in the soil.
www.biologie.uni-hamburg.de /b-online/e06/06.htm   (1587 words)

  
 Northeastern Naturalist: Vascular Flora and Plant Communities of the Boston Harbor Islands
A total of 521 native and naturalized non-native vascular plant species in 99 plant families were identified for the 32 islands investigated in the survey.
Plant nomenclature follows that used in The Vascular Plants of Massachusetts: A County Checklist (Sorrie and Somers 1999), which is based largely on Kartesz (1994) and initial volumes of the Flora of North America.
The goal of the vascular plant inventory was to cover as many islands and identify as many plants as possible, and to document rare plant occurrences.
www.zinkle.com /p/articles/mi_qa3845/is_200501/ai_n14880237   (1345 words)

  
 Vascular Plant Herbarium (DAO)
Vascular plant flora of the Melville Hills region, Northwest Territories.
Vascular plant flora of the Wager Bay region, District of Keewatin, Northwest Territories.
Cody, W. Additions and range extensions to the vascular plant flora of the Northwest Territories, Canada.
res2.agr.ca /ecorc/dao/reprints-imprimes_e.htm   (2726 words)

  
 Vascular Plants
Unlike most nonvascular plants, vascular plants have a dominant, conspicuous sporophytic generation which is nutritionally independent.
Vascular plants have also developed a waxy outer covering called the cuticle which protects from desiccation due to water loss.
Heterospory is unique to vascular plants; two different spores form egg-producing gametophytes and sperm-producing gametophytes.
www2.ncsu.edu /unity/lockers/project/dendrology/index/plantae/vascular/vascular.html   (314 words)

  
 NATRS 301: Vascular Plants
The Vascular Plants are characterized by their vascular tissues, xylem and phloem, which function in the movement of substances throughout the plant.
Introduction to the spore-bearing vascular plants by Melinda Talley, 1997.
Assuming most plants share a single common ancestry, all of the seed plants including all of the Conifers (and other "Gymnosperms") and all of the flowering plants or Angiosperms are also vascular plants.
www.vancouver.wsu.edu /fac/robson/cl/natrs301/vascular.htm   (702 words)

  
 Biological Diversity 5
Vascular plants tend to be larger and more complex than bryophytes, and have a life cycle where the sporophyte is more prominent than the gametophyte.
Vascular plants are the more common plants like pines, ferns, corn, and oaks.
Plants have an alternation of generations: the diploid spore-producing plant (sporophyte) alternates with the haploid gamete-producing plant (gametophyte).
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookDiversity_5.html   (2710 words)

  
 vascular plant structure
The vascular tissue is embedded in the ground tissue as scattered bundles in monocots and as a cylindrical outer ring in dicots.
Plants must be highly responsive to their environments as they cannot generally pick up their roots and grow somewhere else.
Plants exhibit primary growth by which they increase in length and secondary growth which increases their girth.
www.ma.psu.edu /~lkh1/biol240/notes/rj6ch38.htm   (971 words)

  
 Vascular seed plants (from plant) --  Britannica Student Encyclopedia
More from Britannica on "Vascular seed plants (from plant)"...
Vascular seed plants, which include conifers and flowering plants, have transport tissues and produce seeds.
Plants that reproduce by means of seeds do not necessarily require abundant moisture in order to complete their life cycle.
www.britannica.com /ebi/article-206614   (852 words)

  
 Nearctica - Natural History - Plants - Vascular Plants - General
Included among these resources are BONAP's own synonymical checklists of the vascular plant species of North America.
This section of BONAP gives you access to several alternative classifications of the vascular plants and a gateway to systematic resources at the family level.
The lectures start with "What is a Plant?" and discuss such topics as the current classification of plants, conifers, ferns, bryophytes, the evolution of the major plants groups, and much more.
www.nearctica.com /nathist/vascular/gplant.htm   (925 words)

  
 Bio 332 - Vascular Plant Diversity: Laboratory
The Green Plant Phylogeny Research Coordination Group (hosted by the Jepson Herbarium at UC Berkeley) is coordinating the gathering and dessemination of data that address the phylogenetic relationships among members of the plant kingdom.
Plant herbaria provide researchers with access to important collections of preserved plant materials and serve as institutional centers for much of the research conducted in plant taxonomy and systematics.
The plants we are using for the Phylogeny Reconstruction lab are from genetic stocks which have undergone some artificial selection for an accelerated life-cycle.
academic.reed.edu /biology/courses/BIO332/lab.html   (1438 words)

  
 Introduction to Vascular Plants
All vascular plants are oogamous and they have alternation of generations in which most of the gametophytes are reduced and nutritionally dependent upon the dominant sporophyte
Homospory is common in most of the extinct, primitive vascular plants as well as the Psilotophyta, Sphenophyta, some Lycophyta, and most ferns, the Pterophyta
Most primitive type and it is found in extinct seedless vascular plants as well as the Psilotophyta, Lycophyta and the roots of most extant plants
arnica.csustan.edu /boty1050/Vascular/vascular_plants.htm   (1005 words)

  
 Vascular Plant Flora of Estonia. Summary
In case of aliens, and sometimes also the plants run wild, the location, year and the name of the collector (or the data known at the moment) of the first (preserved) herbarium specimens are added.
In the case of immigrant plants or plants run wild, the origin of the taxon (natural area) is given.
Circumpolar coastal plants (Hultén groups 21, 22) are found mainly in the temperate coasts of Atlantic and Pacific Oceans, in smaller numbers also on the coasts of inland seas (Mediterranean, Black and Caspian Sea) or on the coasts of larger rivers and lakes.
www.zbi.ee /~tomkukk/nimestik/summary.htm   (9067 words)

  
 Plants
The organisms we call plants are assigned to a single clade; that is, a natural grouping based on the belief that they have all evolved from a common ancestor more recent than any shared with other organisms.
Although angiosperms appear in the fossil record in Jurassic deposits, it was not until the end of the Mesozoic era that angiosperms became the dominant plants of the landscape.
However, the necessity for the microspores to be carried from one plant to another in order to reach the female gametophyte robbed them of their value as agents of dispersal.
users.rcn.com /jkimball.ma.ultranet/BiologyPages/P/Plants.html   (1224 words)

  
 Gerry Carr
Vascular Plant Families - This is a collection of descriptions and captioned images of vascular plant families for use in instruction.
Hawaiian native plants - This is a collection of several hundred images of plants occurring naturally in Hawaii.
Manoa Campus Plants - More than 325 species of plants on the campus of the University of Hawaii at Manoa are characterized in words and over 400 color images.
www.botany.hawaii.edu /faculty/carr   (270 words)

  
 Lower Vascular Plants
Lower vascular plants are in Kingdom Plantae, have chlorophylls a and b with carotenoid and xanthophyll accessory pigments.
The organisms that fall into the lower vascular plants are quite diverse and belong to at least four phyla.
The next group of plants are often referred to as "lower vascular plants." The plants in this group have true xylem and phloem which makes them vascular by anyone's definition.
koning.ecsu.ctstateu.edu /Plant_Biology/lvp.html   (2031 words)

  
 Bio 332 - Vascular Plant Diversity
A survey of vascular plants using evolutionary and ecological principles to interpret patterns of diversity in vascular plant form and function.
Topics include morphological adaptations of plants, the genetic properties of plant populations, plant reproduction and mating system variation, a survey of biotic and abiotic ecological interactions important to flowering plants, and the paleobotany and biogeography of plant species.
Laboratory work will include a survey of flowering plant taxonomy with an emphasis on learning elements of the flora of the Pacific Northwest.
academic.reed.edu /biology/courses/BIO332   (433 words)

  
 Vascular Plant List
Not every expert will accept the Guide to the Vascular Plants of Florida as the one authoritative text, but for the first time this plant list conforms to one standard.
Plants that have been established as exotic (introduced from another country or area by the help of man) are so indicated.
It must be understood, however, that experts in the field of plant taxonomy often disagree on the proper name for a particular taxon, and that the continuing process of name changing reflects an increase in our knowledge about plants and their relationships.
www.audubon.org /local/sanctuary/corkscrew/Wildlife/ListPlant.html   (2999 words)

  
 Vascular Plant Herbarium
The Vascular Plant Herbarium is a comprehensive reference collection of plants that have water-conducting tissue, and therefore true roots, stems and leaves.
It is global in scope, with a main collection and a local collection of every vascular plant occurring in Alberta.
It is actively used in teaching and research, and is an essential resource for flora classification and ecological studies.
virtual-museum.sunsite.ualberta.ca /dig/naturalhist/plant/vascular   (104 words)

  
 Non-vascular plant - Wikipedia, the free encyclopedia
These groups may be considered the "lower" plants, but "lower plants is also often used to refer to non-vascular plants and ferns and fern allies.
Non-vascular plants is a name for a group of plants.
Because these plants lack the water-conducting tissues, they fail to achieve the structural complexity and size of vascular plants.
en.wikipedia.org /wiki/Non-vascular_plant   (183 words)

  
 South Carolina Plant Atlas
Plant distributions were provided in Radford, Ahles, and Bell's Manual of the Vascular Flora of the Carolinas (1968, UNC Press: Chapel Hill), and these have been maintained in the current Atlas.
Approximately 3000 vascular plant species are listed in the Atlas, with a county dot map for each.
The presence of a species in a county is indicated by a dot, and the dot is positioned at the centroid of that county; the maps in this Atlas suggest no other geographical distribution.
cricket.biol.sc.edu /herb   (359 words)

  
 Introduction to Vascular Plant Systematics
For readers new to Vascular Plant Systematics and its glossary, the best place to start is the Beginning of the chapter, explaining the authors' original intent of the classified glossary, as well as a summary of the chapter organization, describing the four sections, A, B, C, and D. The next section is the
It is possible that in time, more of the Vascular Plant Systematics will find its way to this Web Site in similar fashion.
Vascular Plant Systematics (Radford, A. Dickison, J. Massey, C. Bell.
www.ibiblio.org /botnet/glossary/vasc.html   (550 words)

  
 DFT Vascular Plant Image Library - Query
Each plant image present in the DFT Image Library, associated with text provided by the image contributor, is treated as an individual 'document' in a full text index.
Does the library include images of plant structures, such as an aril, drupe or follicle; or plants from a given location, such as a Texas County (Travis), Park (Big Bend) or Garden (Lady Bird Johnson)?
File indexing and CGI code for this prototype were produced initially by Erich Schneider during his tenure as a grad student with the TAMU Department of Computer Science with subsequent student revisions.
www.csdl.tamu.edu /FLORA/gallery/gallery_query.htm   (441 words)

  
 Internet Directory for Botany: Vascular Plant Families
Vascular Plant Family Nomenclature by James L. Reveal, Department of Plant Biology, University of Maryland, USA.
These plants are under study by the "Laboratorio di Fisiologia Vegetale e Micropropagazione", Department of Botany, University of Palermo, Italy.
Fully annotated phylogenetic arrangements of the flowering plants is also available from the same source for Cronquist, Dahlgren, and Thorne.
www.bgbm.fu-berlin.de /idb/botvasc.html   (4633 words)

  
 Oregon Plant Atlas
The power of the Oregon Vascular Plant Atlas lies in the fact that the user is the map-maker and selects the information desired.
The Oregon Vascular Plant Atlas combines the information from plant records with maps of the state of Oregon.
For example, maps can be generated showing the distribution of one or a group of species, localities where a particular person collected plants, or plant localities during a designated time period.
www.oregonflora.org /oregonplantatlas.html   (577 words)

  
 Botany Lab Help - Ex. 13 Lower Vascular Plants
Because it is late in the season many of the lower vascular plants that grow outdoors have had their foliage killed by the low temperatures.
If you don't have a friend, relative or coworker who has a fern or other lower vascular plant, your next easiest choice might be to visit a florist, garden store or nursery and inquire if you might be allowed to obtain the specimen you desire.
Determine the Division to which the Lower Vascular Plant that you collected belongs.
samson.kean.edu /~breid/Botany/botlab13.html   (559 words)

  
 NYBG.org: Vascular Plant Types
The digitization of the vascular plant type specimens was funded by a grant from the Xerox Foundation.
To search the Vascular Plant Types Catalog by the name of the plant (family, genus, species, or subspecific epithet), author, collector, collector number, barcode number, or type status, use the Quick Search box below.
To browse the available taxa for the Vascular Plant Types Catalog, see the checklist below.
sciweb.nybg.org /science2/hcol/vasc/index.asp   (500 words)

  
 FDA/CFSAN - FDA Poisonous Plant Database
This searchable database replaces the static pages of bibliographic information and the vascular plant list previously available.
This database contains references to the scientific literature describing studies of the toxic properties and effects of plants and plant parts.
Common search terms such as 'poison' or 'plant' can generate a large number of "hits".
www.cfsan.fda.gov /~djw/plantox.html   (356 words)

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